This AKG SR 4000 wireless receiver from the WMS 400 series is in Very Good condition and comes boxed with all original accessories except the microphone. The unit has not been tested beyond a power on test. 

Features:

- True Diversity Reception: Dual antenna system for dropout-free signal stability

-  Auto Setup Mode: Scans RF environment and selects clean frequencies

-  Infrared Sync: Transmits frequency settings to compatible transmitters

The AKG SR 4000 is a professional-grade UHF diversity receiver from the WMS 400 wireless system, designed for reliable multichannel operation in demanding RF environments. This unit supports up to 12 simultaneous channels per frequency band, with auto frequency scanning, infrared transmitter syncing, and programmable display settings.